ibook

Hi

I have an Ipad Air. I use my Ibook to read. I have a lot of books, PDF books etc.

I update to 8.3 and now all I can see is a few books. I uninstalled Ibooks, installed it again. I synced my Ipad many times. On Itunes I chose all the books I wanted to install, looked on my Itunes in the Books section for information. All my books are there. I synced and seem OK. I open Ibook and the collections of different books that were in each category they show up and then they disappear. I do not know what to do.

Please help me because it is very frustrating.

Thanks in advance for the help.

JM